Finding the Fourth Proportional to 288,717.07, 433,202.21 and 137,023.71
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Solution
The fourth proportional to 288,717.07, 433,202.21 and 137,023.71 is: 205,595.65
Step by Step Solution
- Step 1: Write the proportion equation
288,717.07 : 433,202.21 = 137,023.71 : x - Step 2: Convert to fraction form
288,717.07/433,202.21 = 137,023.71/x - Step 3: Cross multiply
288,717.07x = 433,202.21 × 137,023.71 - Step 4: Simplify right side
288,717.07x = 59,358,973,994.40 - Step 5: Solve for x
x = 59,358,973,994.40/288,717.07 - Step 6: Final answer
x = 205,595.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.